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SF MARATHON 1ST HALF 2026

Daniel Shafer

SF, CA

Bib: 19157 M 34

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:09/mi
20:18
→ flat
12 ft elev
4M
11:36/mi
43:30
↑ 67↓ 69
10 ft elev
6M
10:57/mi
1:05:24
↑ 1231.1%
126 ft elev
8M
11:36/mi
1:28:36
↑ 166↓ 531.1%
246 ft elev
9.6M
11:36/mi
1:47:10
↑ 68↓ 1931.5%
126 ft elev
10M
22:37/mi
1:56:12
↓ 241.1%
90 ft elev
10.5M
5:30/mi
1:58:57
↓ 732.7%
18 ft elev
12M
16:29/mi
2:23:41
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:44/mi
2:36:42
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:05:2410:54 /mi⚡ faster
2nd Half
1:31:1812:51 /mi+39.6%
Positive split — 39.6% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
20:1810:092.00 mi20:18
10:09
-
4M
43:3010:532.00 mi23:12
11:36
+1:27
6M
1:05:2410:542.00 mi21:54
10:57
-0:39
8M
1:28:3611:052.00 mi23:12
11:36
+0:39
9.6M
1:47:1011:101.60 mi18:34
11:36
0:00
10M
1:56:1211:370.40 mi9:02
22:37
+11:01
10.5M
1:58:5711:200.50 mi2:45
5:30
-17:07
12M
2:23:4111:581.50 mi24:44
16:29
+10:59
Finish(13.11 mi)
2:36:4211:571.11 mi13:01
11:44
-4:45
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:30 /mi

Average Pace

11:57 /mi

Slowest Pace

22:37 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:45

2% of race

Time at Steady Pace

2:00:11

77% of race

Time at Slower Pace

33:46

22% of race

Average Pace: 11:57 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 71%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:47

Segment Time

13:06/mi

Pace

0.90 mi

Distance

Overall

4641

Men

2788

Division

609

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi3277218445245312726589
4M4.00 mi2.00 mi4230-9532691-507566-11449933023636
6M6.00 mi2.00 mi4057+1732622+69549+1738302487527
8M8.00 mi2.00 mi4054+32632-10548+141672666570
9.6M9.60 mi1.60 mi4391-3372759-127579-3155443169680
10M10.00 mi0.40 mi4419-282760-1582-348062855619
10.5M10.50 mi0.50 mi4423-42767-7587-544042714592
12M12.00 mi1.50 mi4454-312763+4589-245312726589
Finish13.11 mi1.11 mi4460-62769-6592-347102785597

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 69%
~flat
+5ft-3ft

Overall

4531

Males

2726

M30-34

591

2M→4M

2.0 - 4.0 mi

Top 76%
×4story building
+67ft-69ft

Overall

4993

Males

3023

M30-34

639

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3830

Males

2487

M30-34

529

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4167

Males

2666

M30-34

572

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5544

Males

3169

M30-34

682

9.6M→10M

9.6 - 10.0 mi

Top 73%
×2story building
+0ft-24ft

Overall

4806

Males

2855

M30-34

621

10M→10.5M

10.0 - 10.5 mi

Top 67%
×6story building
+1ft-73ft

Overall

4404

Males

2714

M30-34

594

10.5M→12M

10.5 - 12.0 mi

Top 69%
×21story building
+280ft-26ft

Overall

4531

Males

2726

M30-34

591

12M→Finish

12.0 - 13.1 mi

Top 72%
×7story building
+14ft-89ft

Overall

4710

Males

2785

M30-34

597

Passing Analysis

Category:
Athletes Passed
609*
Passed By
1792
Net Change
-1183
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3277
2M → 4M21974-953#3277#4230
4M → 6M224*51+173#4230#4057
6M → 8M160*157+3#4057#4054
8M → 9.6M11348-337#4054#4391
9.6M → 10M4371-28#4391#4419
10M → 10.5M711-4#4419#4423
10.5M → 12M91*122-31#4423#4454
12M → Finish52*58-6#4454#4460
TOTALS609*1792-1183

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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